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| version 1.2, 2001/02/20 19:21:13 | version 1.66, 2002/09/20 10:22:12 |
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| Line 1 | Line 1 |
| /* | /** @file |
| $Id$ | Parser: compiler support helper functions decls. |
| Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com) | |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | |
| */ | */ |
| #ifndef COMPILE_TOOLS | #ifndef COMPILE_TOOLS |
| #define COMPILE_TOOLS | #define COMPILE_TOOLS |
| #include "code.h" | static const char* IDENT_COMPILE_TOOLS_H="$Date$"; |
| #include "pa_opcode.h" | |
| #include "pa_types.h" | #include "pa_types.h" |
| #include "pa_vstring.h" | |
| #include "pa_request.h" | |
| enum lexical_state { | enum lexical_state { |
| LS_USER, | LS_USER, LS_NAME_SQUARE_PART, |
| LS_VAR_NAME_SIMPLE, | LS_USER_COMMENT, |
| LS_DEF_NAME, | |
| LS_DEF_PARAMS, | |
| LS_DEF_LOCALS, | |
| LS_DEF_COMMENT, | |
| LS_DEF_SPECIAL_BODY, | |
| LS_EXPRESSION_STRING_QUOTED, | |
| LS_EXPRESSION_STRING_APOSTROFED, | |
| LS_EXPRESSION_VAR_NAME_WITH_COLON, LS_EXPRESSION_VAR_NAME_WITHOUT_COLON, | |
| LS_EXPRESSION_COMMENT, | |
| LS_VAR_NAME_SIMPLE_WITH_COLON, LS_VAR_NAME_SIMPLE_WITHOUT_COLON, | |
| LS_VAR_NAME_CURLY, | LS_VAR_NAME_CURLY, |
| LS_VAR_ROUND, | LS_VAR_ROUND, |
| LS_VAR_SQUARE, | |
| LS_VAR_CURLY, | LS_VAR_CURLY, |
| LS_METHOD_NAME, | LS_METHOD_NAME, |
| LS_METHOD_ROUND, | LS_METHOD_SQUARE, |
| LS_METHOD_CURLY, | LS_METHOD_CURLY, |
| LS_METHOD_ROUND, | |
| LS_METHOD_AFTER | LS_METHOD_AFTER |
| }; | }; |
| /// compiler status | |
| struct parse_control { | struct parse_control { |
| /* input */ | //@{ |
| void *pool; | /// @name input |
| #ifndef NO_CSTRING_ORIGIN | Pool *pool; |
| char *source; | Request *request; |
| char *file; | VStateless_class *cclass; |
| int line; | #ifndef NO_STRING_ORIGIN |
| const char *source; | |
| const char *file; | |
| #endif | #endif |
| /* state */ | int line, col; |
| int pending_state/*=0*/; | //@} |
| void *string/*=string_create(...)*/; | //@{ |
| /// @name state; initially | |
| bool trim_bof; | |
| int pending_state; ///< i=0 | |
| String *string; ///< =new(pool) String(pool) | |
| #define MAX_LEXICAL_STATES 100 | #define MAX_LEXICAL_STATES 100 |
| enum lexical_state ls/*=LS_USER*/; | enum lexical_state ls; ///< =LS_USER; |
| int sp/*=0*/; | int ls_sp; ///< =0 |
| enum lexical_state stack[MAX_LEXICAL_STATES]; | enum lexical_state ls_stack[MAX_LEXICAL_STATES]; |
| int brackets_nestages[MAX_LEXICAL_STATES]; | int brackets_nestages[MAX_LEXICAL_STATES]; ///< brackets nestage on each state |
| bool in_call_value; | |
| //@} | |
| /* output: Array * */ | /// output: filled input 'methods' and 'error' if any |
| void *result; | char error[MAX_STRING]; |
| }; | }; |
| #ifdef __cplusplus | /// New array // return empty array |
| extern "C" { | inline Array/*<Operation>*/ *N(Pool& pool) { |
| #endif | return new(pool) Array/*<Operation>*/(pool); |
| /* New array // return empty array */ | } |
| void *N(void *apool); | |
| /* Assembler instruction // append ordinary instruction to result */ | |
| void A(void **result, enum OPCODE acode); | |
| /* Assembler arGument // append instruction; append param */ | /// Assembler instruction // append ordinary instruction to ops |
| void G(void **result, void *param); | inline void O(Array/*<Operation>*/ *result, enum OPCODE code) { |
| Operation op; op.code=code; | |
| *result+=op.cast; | |
| } | |
| /// aPpend 'code_array' to 'result' | |
| inline void P(Array/*<Operation>*/ *result, Array *code_array) { | |
| result->append_array(*code_array); | |
| } | |
| /// aPpend part of 'code_array', starting from offset, to 'result' | |
| inline void P(Array/*<Operation>*/ *result, Array *code_array, int offset) { | |
| result->append_array(*code_array, offset); | |
| } | |
| /* Literal // returns array with | /// aPpend 'vstring' to 'result' |
| // first: OP_STRING instruction | void PV(Array/*<Operation>*/ *result, Value *value); |
| // second op: string itself | |
| */ | |
| void *L(void *astring); | |
| /* Literal String // return string value from literal array OP+string array */ | |
| void *LS(void *literal); | |
| /* aPpend code array // append code_array to result */ | inline void OA(Array/*<Operation>*/ *result, OPCODE opcode, Array/*<Operation>*/ *code_array) { |
| void P(void **result, void *code_array); | // append OP_CODE |
| Operation op; op.code=opcode; | |
| *result+=op.cast; | |
| // append 'vstring' | |
| *result+=code_array; | |
| } | |
| void push_LS(struct parse_control *pc); | /** |
| void pop_LS(struct parse_control *pc); | Value Literal // returns array with |
| - first: OP_VALUE instruction | |
| - second op: string itself | |
| */ | |
| inline Array *VL(Value *value) { | |
| // empty ops array | |
| Array *result=N(value->pool()); | |
| void *string_create(void *pool); | // append 'value' to 'result' |
| PV(result, value); | |
| #ifndef NO_STRING_ORIGIN | return result; |
| # define CSTRING_APPEND_PARAMS void *astring, char *piece, size_t size, char *file, uint line | } |
| # define CSTRING_APPEND(astring, piece, size, file, line) real_cstring_append(astring, piece, size, file, line) | |
| #else | |
| # define CSTRING_APPEND_PARAMS void *astring, char *piece, size_t size | |
| # define CSTRING_APPEND(astring, piece, size, file, line) real_cstring_append(astring, piece, size) | |
| #endif | |
| void real_cstring_append(CSTRING_APPEND_PARAMS); | |
| char *string_cstr(void *astring); | |
| void exception(void *pool, | /// Literal Array to(2) Value @return Value from literal Array OP+Value |
| void *atype, void *acode, | Value *LA2V(Array *literal_string_array, int offset=0); |
| void *aproblem_source, | /// Literal Array to(2) String @return String value from literal Array OP+String array |
| char *acomment); | inline const String *LA2S(Array *literal_string_array, int offset=0) { |
| if(Value *value=LA2V(literal_string_array, offset)) | |
| return value->get_string(); | |
| return 0; | |
| } | |
| #ifdef __cplusplus | inline void change_string_literal_to_write_string_literal(Array *literal_string_array) { |
| Operation op; op.code=OP_STRING__WRITE; | |
| literal_string_array->put(0, op.cast); | |
| } | } |
| #endif | |
| void changetail_or_append(Array *opcodes, | |
| OPCODE find, bool with_argument, OPCODE replace, OPCODE notfound); | |
| void change_string_literal_to_double_literal(Array *literal_string_array); | |
| void change_string_literal_value(Array *literal_string_array, const String& new_value); | |
| void push_LS(parse_control& pc, lexical_state new_state); | |
| void pop_LS(parse_control& pc); | |
| #endif | #endif |